<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
 <head>
  <meta http-equiv="content-type" content="text/html; charset=UTF-8">
  <title>Constructs a RecursiveDirectoryIterator</title>

 </head>
 <body><div class="manualnavbar" style="text-align: center;">
 <div class="prev" style="text-align: left; float: left;"><a href="class.recursivedirectoryiterator.html">RecursiveDirectoryIterator</a></div>
 <div class="next" style="text-align: right; float: right;"><a href="recursivedirectoryiterator.getchildren.html">RecursiveDirectoryIterator::getChildren</a></div>
 <div class="up"><a href="class.recursivedirectoryiterator.html">RecursiveDirectoryIterator</a></div>
 <div class="home"><a href="index.html">PHP Manual</a></div>
</div><hr /><div id="recursivedirectoryiterator.construct" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">RecursiveDirectoryIterator::__construct</h1>
  <p class="verinfo">(PHP 5 &gt;= 5.1.2)</p><p class="refpurpose"><span class="refname">RecursiveDirectoryIterator::__construct</span> &mdash; <span class="dc-title">Constructs a RecursiveDirectoryIterator</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-recursivedirectoryiterator.construct-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>RecursiveDirectoryIterator::__construct</strong></span>
    ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$path</code></span>
   [, <span class="methodparam"><span class="type">int</span> <code class="parameter">$flags</code><span class="initializer"> = FilesystemIterator::KEY_AS_PATHNAME | FilesystemIterator::CURRENT_AS_FILEINFO</span></span>
  ] )</div>

  <p class="para rdfs-comment">
   Constructs a <span class="methodname"><strong>RecursiveDirectoryIterator()</strong></span>
   for the provided <em><code class="parameter">path</code></em>.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-recursivedirectoryiterator.construct-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<em><code class="parameter">path</code></em></dt>

     <dd>

      <p class="para">
       The path of the directory to be iterated over.
      </p>
     </dd>

    
    
     <dt>
<em><code class="parameter">flags</code></em></dt>

     <dd>

      <p class="para">
       Flags may be provided which will affect the behavior of some methods.
       A list of the flags can found under
       <a href="class.filesystemiterator.html#filesystemiterator.constants" class="link">FilesystemIterator predefined constants</a>.
       They can also be set later with <span class="methodname"><a href="filesystemiterator.setflags.html" class="methodname">FilesystemIterator::setFlags()</a></span>.
      </p>
     </dd>

    
   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-recursivedirectoryiterator.construct-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns the newly created <a href="class.recursivedirectoryiterator.html" class="classname">RecursiveDirectoryIterator</a>.
  </p>
 </div>


 <div class="refsect1 errors" id="refsect1-recursivedirectoryiterator.construct-errors">
  <h3 class="title">错误／异常</h3>
  <p class="para">
   Throws an <a href="class.unexpectedvalueexception.html" class="classname">UnexpectedValueException</a>
   if the <em><code class="parameter">path</code></em> cannot be found or is not a directory.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-recursivedirectoryiterator.construct-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-3801">
    <p><strong>Example #1 <a href="class.recursivedirectoryiterator.html" class="classname">RecursiveDirectoryIterator</a> example</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /><br />$directory&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">'/tmp'</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$it&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">RecursiveIteratorIterator</span><span style="color: #007700">(new&nbsp;</span><span style="color: #0000BB">RecursiveDirectoryIterator</span><span style="color: #007700">(</span><span style="color: #0000BB">$directory</span><span style="color: #007700">));<br /><br />while(</span><span style="color: #0000BB">$it</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">valid</span><span style="color: #007700">())&nbsp;{<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;if&nbsp;(!</span><span style="color: #0000BB">$it</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">isDot</span><span style="color: #007700">())&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #DD0000">'SubPathName:&nbsp;'&nbsp;</span><span style="color: #007700">.&nbsp;</span><span style="color: #0000BB">$it</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getSubPathName</span><span style="color: #007700">()&nbsp;.&nbsp;</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #DD0000">'SubPath:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'&nbsp;</span><span style="color: #007700">.&nbsp;</span><span style="color: #0000BB">$it</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getSubPath</span><span style="color: #007700">()&nbsp;.&nbsp;</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #DD0000">'Key:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'&nbsp;</span><span style="color: #007700">.&nbsp;</span><span style="color: #0000BB">$it</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">key</span><span style="color: #007700">()&nbsp;.&nbsp;</span><span style="color: #DD0000">"\n\n"</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$it</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">next</span><span style="color: #007700">();<br />}<br /><br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

    <div class="example-contents"><p>以上例程的输出类似于：</p></div>
    <div class="example-contents screen">
<div class="cdata"><pre>
SubPathName: fruit/apple.xml
SubPath:     fruit
Key:         /tmp/fruit/apple.xml

SubPathName: stuff.xml
SubPath:     
Key:         /tmp/stuff.xml

SubPathName: veggies/carrot.xml
SubPath:     veggies
Key:         /tmp/veggies/carrot.xml

</pre></div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-recursivedirectoryiterator.construct-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="methodname"><a href="filesystemiterator.construct.html" class="methodname" rel="rdfs-seeAlso">FilesystemIterator::__construct()</a> - Constructs a new filesystem iterator</span></li>
    <li class="member"><span class="methodname"><a href="recursiveiteratoriterator.construct.html" class="methodname" rel="rdfs-seeAlso">RecursiveIteratorIterator::__construct()</a> - Construct a RecursiveIteratorIterator</span></li>
    <li class="member"><a href="class.filesystemiterator.html#filesystemiterator.constants" class="link">FilesystemIterator predefined constants</a></li>
   </ul>
  </p>
 </div>


</div><hr /><div class="manualnavbar" style="text-align: center;">
 <div class="prev" style="text-align: left; float: left;"><a href="class.recursivedirectoryiterator.html">RecursiveDirectoryIterator</a></div>
 <div class="next" style="text-align: right; float: right;"><a href="recursivedirectoryiterator.getchildren.html">RecursiveDirectoryIterator::getChildren</a></div>
 <div class="up"><a href="class.recursivedirectoryiterator.html">RecursiveDirectoryIterator</a></div>
 <div class="home"><a href="index.html">PHP Manual</a></div>
</div></body></html>
